39

39.
  2 m aqueous solution of H2SO4 contains

(1) 49 g of H2SO4 per 250 g of solution
(2) 98 g of H2SO4 per 250 g of solvent
(3) 49 g of H2SO4 per 250 g of solvent
(4) 98 g of H2SO4 per 250 g of solution 
 

Dear Student,

Molality of H2SO4=(Mass of  H2SO4/Molar Mass of  H2SO4)×(1000/Mass of solvent)

mass of solvent 250 g and 
molality is given 2m
molar mass of H2SO4 = 98
by putting the values in above equation we get  
 mass of H2SO4= 49 g per 250g of solvent

Regards

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